Circutor CVM-C5 Series - 4�7�2� Protocol

4�7�2� PROTOCOL
IntheModbusprotocol,theCVM-C5unitusestheRTU(RemoteTerminalUnit)mode�
TheModbusfunctionsimplementedintheunitareasfollows:
Function 03 and 04� ReadingnWords(2bytes)�Functionusedforreadingtheparameters
beingmeasuredbytheCVM-C5�Allparametersare32-bitslong,whichiswhytoaskeach
parametertakestwoWords�
Function 10�Writingmultiplelogs�
4.7.2.1. Selecting the active tari󰀨
TheCVM-C5hastwotari󰀨s,T1andT2,selectableusingthefollowingModbusfunction:
Selecting the active tariff:
Address Function
Registro
inicial
No registers No bytes Tari󰀨 CRC
NP
(1)
10 1388 0001 02 000T
(2)
xxxx
(1)
NP: Peripheralnumber
(2)
Theselectionoftheactivetari󰀨isselectedaccordingtothefollowingtable:
Table 16:Selecting tari󰀨.
Code Tari󰀨
0 Tari󰀨T1
1 Tari󰀨T2
Response:
Address Function
Initial
register
No registers CRC
NP
(1)
10 1388 0001 xxxx
reading active tari:
Address Function
Initial
register
No registers CRC
NP
(1)
04 1388 0001 xxxx
Response:
Address Function No bytes No registers CRC
NP
(1)
04 02 000T
(2)
xxxx
43
Instruction Manual
CVM-C5-xxx-485